People across Yorkshire are expected to join millions of others across the world today in what could be the largest climate protest in history.
Children and young people are preparing to walk out of lessons and lectures, with hundreds of thousands of workers expected to join them.
The protests are part of a snowballing movement sparked by teenage activist Greta Thunberg’s school strikes outside the Swedish parliament.
It comes ahead of a climate action summit in New York convened by UN secretary general Antonio Guterres to urge countries to up their climate efforts.
Much steeper measures are needed across the globe to prevent temperature rises of more than 1.5C (2.7F) or 2C (3.6F) to avoid the worst impacts of climate change